Re: [RFC PATCH 1/5] i2c: core: refactor scanning for a client

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> Quoting GregKH:
> | We really do not want WARN_ON() anywhere, as that causes systems with
> | panic-on-warn to reboot.
> 
> https://lore.kernel.org/lkml/20191121135743.GA552517@xxxxxxxxx/

Huh? This renders WARN completely useless, or? If somebody wants panic
on warn, this person should get it?

If we don't add a stack trace, we only know that *someone* registered an
invalid address. Finding out who can be annoying. Kieran spotted this
correctly.

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